@ggal: yes I plan to do all background in WOW. For some of the blocks I use another background like with Bizzard's Roost and Butterfly at the Crossroads because WOW can't be used there IMHO but that's ok.

A balanced quilter is one with a project on each finger
Eat, quilt, sleep, repeat
Nobody is completely useless, you can always serve as a bad example